/**
 * Copyright (C) 2011 Whisper Systems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.appspot.eusms.mms;

import android.content.Context;

import org.whispersystems.textsecure.crypto.MasterSecret;

import java.io.UnsupportedEncodingException;
import java.util.LinkedList;
import java.util.List;

import ws.com.google.android.mms.ContentType;
import ws.com.google.android.mms.pdu.CharacterSets;
import ws.com.google.android.mms.pdu.PduBody;

public class SlideDeck {

    private final List<Slide> slides = new LinkedList<Slide>();

    public SlideDeck(Context context, MasterSecret masterSecret, PduBody body) {
        try {
            for (int i = 0; i < body.getPartsNum(); i++) {
                String contentType = new String(body.getPart(i).getContentType(), CharacterSets.MIMENAME_ISO_8859_1);
                if (ContentType.isImageType(contentType))
                    slides.add(new ImageSlide(context, masterSecret, body.getPart(i)));
                else if (ContentType.isVideoType(contentType))
                    slides.add(new VideoSlide(context, body.getPart(i)));
                else if (ContentType.isAudioType(contentType))
                    slides.add(new AudioSlide(context, body.getPart(i)));
                else if (ContentType.isTextType(contentType))
                    slides.add(new TextSlide(context, masterSecret, body.getPart(i)));
            }
        } catch (UnsupportedEncodingException uee) {
            throw new AssertionError(uee);
        }
    }

    public SlideDeck() {
    }

    public void clear() {
        slides.clear();
    }

    public PduBody toPduBody() {
        PduBody body = new PduBody();

        for (Slide slide : slides) {
            body.addPart(slide.getPart());
        }

        return body;
    }

    public void addSlide(Slide slide) {
        slides.add(slide);
    }

    public List<Slide> getSlides() {
        return slides;
    }

}
